Flurazepam

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Flurazepam
Systematic (IUPAC) name
9-chloro-2-(2-diethylaminoethyl)-
6-(2-fluorophenyl)-2,5-diazabicyclo[5.4.0]undeca-
5,8,10,12-tetraen-3-one
Identifiers
CAS number 17617-23-1
ATC code N05CD01
PubChem 3393
DrugBank APRD00983
Chemical data
Formula C21H23ClFN3O 
Mol. mass 387.88
Pharmacokinetic data
Bioavailability 83%
Metabolism Hepatic
Half life 40-250 hours
Excretion Renal
Therapeutic considerations
Pregnancy cat.

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Legal status

Schedule IV(US)

Routes Oral

Flurazepam (marketed under the brand names Dalmane® and Dalmadorm®) is a drug which is a benzodiazepine derivative. It possesses anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant properties.

It has the longest half-life of all of the benzodiazepines (40-250 hours), and may stay in the bloodstream for up to four days.

It is used for short-term treatment of patients with insomnia.

The most common adverse effects are dizziness, drowsiness, lightheadedness and ataxia.

Flurazepam is a Schedule IV drug under the Convention on Psychotropic Substances[1].

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